DE3887383D1 - Circulator with concentrated elements and with a conductive support frame structure. - Google Patents

Circulator with concentrated elements and with a conductive support frame structure.

Info

Publication number
DE3887383D1
DE3887383D1 DE88108547T DE3887383T DE3887383D1 DE 3887383 D1 DE3887383 D1 DE 3887383D1 DE 88108547 T DE88108547 T DE 88108547T DE 3887383 T DE3887383 T DE 3887383T DE 3887383 D1 DE3887383 D1 DE 3887383D1
Authority
DE
Germany
Prior art keywords
circulator
support frame
frame structure
conductive support
concentrated elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE88108547T
Other languages
German (de)
Other versions
DE3887383T2 (en
Inventor
Hiroshi C O Nec Corporat Ogawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of DE3887383D1 publication Critical patent/DE3887383D1/en
Application granted granted Critical
Publication of DE3887383T2 publication Critical patent/DE3887383T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • H01P1/383—Junction circulators, e.g. Y-circulators
    • H01P1/387—Strip line circulators
DE88108547T 1987-05-29 1988-05-27 Circulator with concentrated elements and with a conductive support frame structure. Expired - Fee Related DE3887383T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62134632A JPS63299501A (en) 1987-05-29 1987-05-29 Lumped constant type circulator

Publications (2)

Publication Number Publication Date
DE3887383D1 true DE3887383D1 (en) 1994-03-10
DE3887383T2 DE3887383T2 (en) 1994-05-11

Family

ID=15132911

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88108547T Expired - Fee Related DE3887383T2 (en) 1987-05-29 1988-05-27 Circulator with concentrated elements and with a conductive support frame structure.

Country Status (5)

Country Link
US (1) US4855694A (en)
EP (1) EP0293013B1 (en)
JP (1) JPS63299501A (en)
AU (1) AU599876B2 (en)
DE (1) DE3887383T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017894A (en) * 1989-02-01 1991-05-21 Hitachi Ferrite, Ltd. Lumped constant non-reciprocal circuit element
IL99092A (en) * 1990-08-15 1995-06-29 Hughes Aircraft Co Common mode reactance netword for a broadband cross beam lumped element circulator
US5164687A (en) * 1991-06-17 1992-11-17 Renaissance Electronics Corp. Compact lumped constant non-reciprocal circuit element
TW306106B (en) * 1996-04-03 1997-05-21 Deltec New Zealand Circulator and its components

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544920A (en) * 1967-04-27 1970-12-01 Broadcasting Corp Wide frequency band circulator
US3467918A (en) * 1967-12-21 1969-09-16 Melabs Microstrip junction circulator wherein the ferrite body is disposed on the dielectric slab
US3895320A (en) * 1974-03-06 1975-07-15 Nippon Electric Co Broad-band lumped-element circulator
FR2246114A1 (en) * 1973-05-09 1975-04-25 Lignes Telegraph Telephon Localised constant wide band Y type circulator - has pass band greater than 20% without aid of exterior circuit correctors
JPS5639610A (en) * 1979-09-06 1981-04-15 Nec Corp Lumped constant type circulator
AU2577184A (en) * 1983-02-28 1984-09-10 Motorola, Inc. Circulator having an image magnet

Also Published As

Publication number Publication date
US4855694A (en) 1989-08-08
AU1677588A (en) 1988-12-01
JPS63299501A (en) 1988-12-07
AU599876B2 (en) 1990-07-26
EP0293013A2 (en) 1988-11-30
EP0293013A3 (en) 1989-10-11
EP0293013B1 (en) 1994-01-26
DE3887383T2 (en) 1994-05-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee